If cos(A+B)=0\cos(A+B) = 0cos(A+B)=0 and sin(A−B)=1/2\sin(A-B) = 1/2sin(A−B)=1/2, find sinAcosB\sin A \cos BsinAcosB.
1/41/41/4
1/21/21/2
3/43/43/4
111